v. 1. Apostolic Christianity, A.D. 1-100, 3rd ed.--v. 2. Ante-Nicene Christianity, A.D. 100-325, 5th ed.,rev.--v. 3. Nicene and post-Nicene Christianity from Constantine the Great to Gregory the Great, A.D. 311-600, 3d rev.--v. 4. Mediaeval Christianity from Gregory I to Gregory VII, A.D. 590-1073.--v. 5., pt. 1. The middle ages from Gregory VII, 1049, to Boniface VIII, 1294, by David S. Schaff.--v. 5, pt. 2. The middle ages from Boniface VIII, 1294 , to the Protestant Reformation, 1517, by D. S. Schaff.--v. 6. Modern Christianity; the German Reformation, 2d ed.,rev.--v. 7. Modern Christianity; the Swiss Reformation, 3d ed.,rev